Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Category
Browse mineralological specimen specimens identified by the Rock Identifier community.
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
Jasper with Chalcedony
Silicon Dioxide (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (SiO2)
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8
Undetermined Due to Blur (Possible Flesh-Tone Mineral)
Unknown (Insufficient Visual Clarity)
Sunstone
Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)
Jasper with Agate and Quartz Inclusions
Silicon Dioxide (SiO2) - Chalcedony / Quartz aggregate
Mica (Biotite and Muscovite) in Matrix
Potassium aluminum silicate with iron/magnesium (KAl2(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(F,OH)2)
Carnelian Agate
Silicon Dioxide (SiO2) - Variety: Chalcedony
Jasper
Jasper (Silicon Dioxide, SiO2)
Diamond (Cut Specimen)
Carbon (C)
Jasper and Quartz River Cobble
Silicon Dioxide (SiO2) with Hematite inclusions
Quartz Geode
Quartz (Silicon Dioxide, SiO2) Geode
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide)
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
River Stone (likely Mudstone or Siltstone)
Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)
Sunstone
Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions
Yellow Calcite
Calcium Carbonate (CaCO3)
Basalt River Cobble
Basalt (Aphanitic Mafic Volcanic Rock)
Diamond in Gold Setting
Diamond (C - pure carbon)
Diamond (in a jewelry setting)
Carbon (C)
Diamond
Diamond (C)
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Ruby in Fuchsite (often confused with Ruby in Zoisite)
Corundum (Al2O3) in Chromium-rich Muscovite (KAl2(AlSi3O10)(OH)2)
Quartz Geode
Silicon dioxide (SiO2)
Porphyritic Basalt (with Amygdales)
Amygdaloidal Porphyritic Basalt
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartz on Host Rock
Silicon Dioxide (SiO2)
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
Quartz Geode
Silicon Dioxide (SiO₂)
Chert with Desert Varnish
Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating
Milky Quartz with Chlorite/Moss Infusions
Silicon Dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Ruby Zoisite
Anyolite (Zoisite with Ruby and Pargasite)
Orbicular Jasper (Ocean Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions